Answer:
(-1, 3)
Step-by-step explanation:
x - 5y = -16 [Equation 1]
-x + 3y = 10 [Equation 2]
<u>Adding both equations</u>
- x - x - 5y + 3y = -16 + 10
- -2y = -6
- y = 3
- x - 5(3) = -16
- x - 15 = -16
- x = -1
<u>Solution</u> : (-1, 3)
Answer:

Step-by-step explanation:
So we have:

This is the same as:

Separate:

Replace the second term with i:

The square root of 66 cannot be simplified.
So, this is our answer :)
Answer:
D. 25%
Step-by-step explanation:
45/180=0.25
0.25 into a percent is 25%
Answer: 
<u>Step-by-step explanation:</u>
The coordinate at -30° <em>(-30° = 330°)</em> = 
the x-value is 
the y-value is